27181973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1063}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 33605376

約数和(自身を除く): 6423403

約数列:

[1, 7, 13, 91, 281, 1063, 1967, 3653, 7441, 13819, 25571, 96733, 298703, 2090921, 3883139, 27181973]

約数ペア:

[(1, 27181973), (7, 3883139), (13, 2090921), (91, 298703), (281, 96733), (1063, 25571), (1967, 13819), (3653, 7441)]